Answers by Sam Debruyn
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Answers by Sam Debruyn

Answers by Sam Debruyn
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the half life of polonium is 139 days. you have a brand new sample of polonium that will not be useful to you after 80% of the material hasdistegraded. For how many days will you be able to use the polonium?
answered Apr 13, 2021
3 votes
68.9k views
-3 2/7 -(2 2/3) can someone please help me
answered Apr 6, 2021
6 votes
56.5k views
What is the length of AC
answered Feb 2, 2021
1 vote
12.9k views
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